WP-27 Transducer Modifications V1.pdf

Abstract This work package describes the requirement to modify existing transducers and install new transducers aboard NOAA Ship Ronald H. Brown. The existing Kongsberg EM122 system will be upgraded to an EM124 system, and a SBP-29 Sub-Bottom Profiler will be installed. The existing retractable transducer system and gate valve will be permanently removed. This work package also details the requirement for blasting and recoating the interior of the multibeam gondola.

Revisions

References

1. Work Package: General Requirements, ECS, WP-00, 18 DEC 2020

2. Work Package: Drydocking, ECS, WP-26, 11 NOV 2020

3. Work Package: 3rd Deck HVAC Modifications, Art Anderson Associates, WP-08C, 21 DEC

4. Work Package: Navigation System Renewals, NOAA, WP-37, 27 OCT 2020

5. Drawing: Paint Schedule, ECS, 00-631-001, 11 SEP 2020

6. Drawing: Multibeam Fairing Installation, Glosten, RB-461A-06, 18 FEB 2010

7. Drawing: Multibeam Fairing Construction, Glosten, RB-461A-07, Rev. A, 18 FEB 2010

8. Drawing: Transducer Tube Arrangement and Details, NAVSEA, 6932800, Rev. A, 4 OCT 1993

9. Drawing: Structural Module Assembly No. 5, NAVSEA, 6932805, Rev. B, 21 APR 1993

10. Drawing: Structural Module Assembly No. 15, NAVSEA, 6932815, Rev. G, 2 NOV 1993

11. Drawing: Deck Scantlings, NAVSEA, 6932825, Rev. D, 25 MAR 1994

12. Technical Manual: EM122 Multibeam Echo Sounder Maintenance Manual, Kongsberg, 309059

13. Technical Manual: EM124 Multibeam Echo Sounder Installation Manual, Kongsberg, 443140

14. Technical Manual: SBP29 Sub-Bottom Profiler Installation Manual, Kongsberg, 451253

WP-27 TRANSDUCER MODIFICATIONS

NOAAS Ronald H. Brown | Rev 1

PREPARED FOR: PREPARED BY: DATE:

NOAA Office of Marine & Aviation Operations 8403 Colesville Road, Suite 500 Silver Spring MD 20910-3282

Nick Tontarski ECS 20 Sept 2020

CHECKED BY: DATE:

Steve Laverty ECS 23 Sept 2020

APPROVED BY: DATE:

CONTRACT #: - Don Jones NOAA 3 Dec 2020

Section Rev Description Date All 0 Initial Release 3 Dec 2020 600.2, 700.1, 700.2, 900.4

Added References 15-19, changed acoustic insulation replacement to new acoustic baffle, modified TX module and mounting bracket removal/reinstallation procedures, added requirement to fabricate SBP29 cover plates, changed Dock Testing plan requirements

15 July 2021

WP-27 Transducer Modifications NOAAS Ronald H. Brown ii Rev 1

15. Technical Manual: EM124 Multibeam Echo Sounder Maintenance Manual, Kongsberg, 458499

16. Test Procedure: EM124 Harbor Acceptance Test Document, Kongsberg, 428709

17. Test Procedure: SBP29 Harbor Acceptance Test Document, Kongsberg, 429347

18. Test Procedure: EM124 Sea Acceptance Test Document, Kongsberg, 428711

19. Test Procedure: SBP29 Sea Acceptance Test Document, Kongsberg, 429348

1 Rev 1

000 GENERAL REQUIREMENTS

The end result of this work package will be a completely functional and integrated EM124 Multibeam Echosounder and SBP29 Sub-Bottom Profiler. Existing cable conduits will be modified, and new cable conduits will be installed to support this installation. All material for this project shall be contractor-furnished.

NOTES

000.1.1 General Technical Requirements

Reference 1 contains general design, production, and documentation requirements relevant to the work described in this package. Reference 1 contains Contractor responsibilities for providing or arranging and integrating all required work. The requirements included in Reference 1 shall be applied to all aspects of this work. The requirements described herein shall be considered as additional to the requirements of Reference 1. Unless otherwise noted, all equipment and material permanently removed from the vessel shall become the property of the Contractor.

000.1.2 Related Work Packages

The Contractor and all subcontractors, regardless of tier, are advised to review other work items under this contract to determine their effect on the work required under this work item. Many of the definitions relating to performance of this work item are found in Reference 1.

000.1.2.1 WP-26 Drydocking (Reference 1)

WP-26 describes the requirement to drydock the vessel. Transducer removals and installations described within this work package can only be performed while the ship is in drydock. Execution of this work package shall be performed in conjunction with WP-26.

000.1.2.2 WP-08C Laundry HVAC Modifications (Reference 3)

WP-08C describes the requirement to modify exhaust in 3-54-2 Laundry Room. Portions of the new exhaust trunk will be run through the openings created by the removal of the Retractable Transducer described in Section 100.1.2.

000.1.2.3 WP-37 Navigation System Renewals (Reference 4)

Included in this work package is the requirement to renew or modify some of the transducers mounted in the gondola that will be blasted and recoated in Section 600.1.

WP-37 also includes the requirement for the Alignment Engineer required by Section 900.2.3 of this work package to survey and mark the exact locations of the new gyrocompasses relative to the vessel’s reference block.

000.1.3 Kongsberg Authorized Representative

The contact information for the authorized Kongsberg representative to oversee installation, integration, and testing is as follows:

Kongsberg Underwater Technology, Inc.

19210 33rd Avenue West, Suite A Lynnwood, WA 98036-4707 United States of America +1 425-712-1107 km.sales.lynnwood@kongsberg.com mailto:km.sales.lynnwood@kongsberg.com

2 Rev 1

BID REQUIREMENTS

000.2.1 Costs

The Contractor shall include in their bid the following costs:

1. The cost of the effort to complete the work described in this specification.

2. Procurement costs for EM124 and SBP29 systems.

000.2.2 Documentation

The Contractor shall include in their bid the documentation listed in Reference 1 and the following:

3. None additional.

100 HULL STRUCTURE

REMOVALS

100.1.1 EM122 Cable Conduit

After removing the existing EM122 TX and RX module cabling as described in Section 700.1.2.1, remove the cable conduit shown in Figure 100.1-1 and prepare surrounding structure for conduit renewal (see Section 100.2.1). Construction details for this conduit can be found in Reference 6.

Retain the cable access box at the top of the conduit, located in Passageway 2-47-1. Blast the cable access box to SSPC-SP-10 and recoat similar to existing.

Mechanically route the entire run of the vent piping from the 3-piece ball valve at the cable access box to the goose neck on the main deck.

3 Rev 1

Figure 100.1-1 EM122 Cable Conduit for Removal

100.1.2 Retractable Transducer

Remove the retractable transducer, transducer tube, and all supporting structure associated with the retractable transducer. See References 8, 9, 10, and 11 for structural details. After removal of the transducer tube, insert the ¾” thick hull plating, 3/8” thick tank top deck plating, 5/16” thick 1st Platform deck plating, and 5/16” thick Main Deck plating. Coat these inserts to match surroundings in accordance with Reference 5.

4 Rev 1

Figure 100.1-2 Top of Retractable Transducer Housing

Located in 2-51-2 CME Office

Figure 100.1-3 Retractable Transducer Penetration Through 2nd Deck

5 Rev 1

Figure 100.1-4 Retractable Transducer Tube

Located in 3-54-2 Laundry

100.1.3 Shell Plating Removal for Alignment

A 2’x2’ section of shell plating shall be removed to aid in the alignment of the EM124 and SBP29 systems as described in Section 900.2.3. The alignment shall be performed against a reference block installed in the vessel’s Gyro Room 2-62-0. Remove the shell plating near the sink in the Workshop 2- 57-2. Exact location of the cut shall be approved by the Owner after consultation with the Alignment Engineer and the Authorized Kongsberg Representative.

INSTALLATIONS

100.2.1 EM124 Cable Conduit

Install a new cable conduit constructed of schedule 80 stainless steel piping to replace the conduit removed in Section 100.1.1. Details of this conduit can be found in Reference 6. Reinstall the recoated cable access box, vent line, and 3-piece ball valve with this new conduit. Provide and install new gaskets and hardware for the access cover plate and ball valve. Provide and install new sealing modules, stayplates, and compression wedges for the Roxtec S4x2 MCT frame on the top of the cable access box.

100.2.2 SBP29 Cable Conduit and Vent Line

Install a new cable conduit, cable access box, and vent line for the SBP-29 cabling in accordance with Reference 6. Note that all work pertaining to the SBP-120 installation in Reference 6 shall be performed for the SBP-29 instead. The new conduit shall be constructed from 4” Schedule 80 stainless steel piping from the gondola to the cable access box. Construct the cable access box from ABS Grade A steel plate. Construct the vent piping from schedule 1-1/2” 80 steel piping. Provide and install a 1- 1/2” 3-piece ball valve in the SBP-29 vent line in a similar manner to the valve for the existing EM122 vent line. Coat the cable access box and piping similar to the access box and conduit and vent piping for the existing EM122 installation.

100.2.3 Shell Plating Reinstallation

Reinstall the section of shell plating removed in Section 100.1.3.

6 Rev 1

200 MAIN PROPULSION SYSTEM

REMOVALS

No items.

INSTALLATIONS

No items.

300 ELECTRICAL POWER PLANT

REMOVALS

No items.

INSTALLATIONS

No items.

400 COMMAND, COMMUNICATIONS, AND NAVIGATION

REMOVALS

No items.

INSTALLATIONS

No items.

500 AUXILIARY SYSTEMS

REMOVALS

No items.

INSTALLATIONS

No items.

600 OUTFIT AND FURNISHINGS

GONDOLA RECOATING

The interior of the multibeam gondola shall be blasted and recoated as follows. Note that surface preparation and recoating of the gondola exterior shall be in accordance with Reference 1.

600.1.1 Surface Preparation

After accomplishing removals described in Section 700.1, prepare the interior of the gondola for grit blasting. Cover all transducers, suitably wrap all cabling, and mask any openings in which dust, grit, or debris may enter. Perform a joint inspection with Owner’s Representative of all protective coverings before beginning blasting.

Blast the interior of the gondola to SSPC-SP-10 standard. Clean away all dust, dirt, and grit from the interior upon completion.

600.1.2 Thickness Gauging

Perform thickness gauging on all plating and internal structure of the gondola. For plating, record 5 shots per 10 ft2. For structural members, record 1 shot per 3 linear feet. Prepare a report detailing measured gauging results compared to the as-built condition for the Owner’s Representative. Refer to

7 Rev 1

Reference 7 for as-built material thicknesses. Any areas of plating with 20% or more wastage and any structural members with 25% or more wastage constitute a failure.

Prepare and submit, via CFR, a plan to Owner’s Representative and ABS to replace any areas shown to have excessive wastage. Repairs must take into account minimum insert sizing and other ABS requirements. Pricing for this effort shall be included in the CFR.

Execution of the approved repair plan shall be decided upon and executed, as determined by the COR, before applying any coatings or performing transducer installations described in Section 700.2.

600.1.3 Coatings Application

Apply coatings to the gondola interior in accordance with References 1 and 5. Exterior gondola coatings shall be performed in Reference 1.

GONDOLA ACOUSTIC INSULATION REMOVAL AND BAFFLE KIT

INSTALLATION

The interior of the multibeam gondola has applied 325 square feet of acoustic insulation. Insulation is 1” thick nitrile-butadine rubber foam (Rubatex) applied with 2-part adhesive, Rema Tip Top SC2000 cement with UT-R20 hardener. Note the installation location of the acoustic insulation and remove

Figure 600.2-1 Acoustic Insulation For Removal

8 Rev 1 from the gondola. Upon completion of work described in Section 600.1 and after proper coatings curing times, install new Kongsberg Baffle Kit (Part #386776).

To install the baffle plate kit first remove and clean the RX mounting frame as described in 700.1.2.2.The baffles can be match drilled and tapped according to drawing 860-213744 in the EM124 installation manual. Mounting hardware is provided with the baffle plate kit. Baffles should be secured with Araldite 2014 in addition to Loctite 242.

Figure 600.2-2 Kongsberg Baffle Attached to RX Mounting Frame

9 Rev 1

700 SCIENTIFIC MISSION SYSTEMS

Figure 600.2-1 Gondola Arrangement

View Looking Up

REMOVALS

Prior to disconnecting any cabling, Contractor shall label and record all cabling and termination points to assist with installations and reinstallations.

700.1.1 Temporary Removals

On top of the gondola are two RESON SVP-70 Sound Velocity Probes, one each on the port and starboard side. Disconnect the cabling for these probes at the nearest junction box, located in 3-44-4 Dry Stores. Remove the Delrin cover plates and retain for reuse. Remove both probes from their housings and provide to the Owner’s Representative for storage prior to blasting.

EM124 RX Array

EM124 TX Array

Sub-Bottom Profiler Well

10 Rev 1

Figure 700.1-1 SVP-70 For Temporary Removal

700.1.2 EM122 Removals

700.1.2.1 Transducer Modules

Disconnect power to the EM122 unit. Power is supplied from CP207, circuit 13.

Disconnect transmit and receive transducer cabling from their respective junction boxes, located in the Electronics and Computer Lab on the Main Deck and shown in Figure 700.1-5.This cabling passes through two MCTs, located in the Electronics and Computer Lab and at the top of the transducer cable conduit located in Passage 2-47-1.

Figure 700.1-2 Cable Transit at Top of Conduit

The transducer modules are located in the gondola attached to the hull of the vessel. Details of this gondola can be found in Reference 7. The 16 receive (RX) transducer modules are arranged transversely in a casing in the forward part of the gondola, while the 48 transmit (TX) transducer modules are arranged longitudinally in a casing in the center of the gondola. These modules are secured to the mounting frames inside their respective casings by bolted mounting brackets. The transducer faces are surrounded by cover plates constructed of ½” Delrin. Remove these Delrin cover plates and retain for reuse.

11 Rev 1

Working from the aft-most TX module forward, unbolt each EM122 TX/RX transducer modules from the gondola frame and remove each of the cables running to the Electronics and Computer Lab. TX/RX modules are secured to the transducer frame with stainless steel retaining bars, with each bar attached with socket head bolts. Save retaining bars for re-use when reinstalling the TX/RX modules.

Note the type and quantity of hardware removed.

Wet sand the faces of EM 122 TX/RX transducers with waterproof 80 grit sandpaper to remove the anti-fouling paint. Rinse the faces of the transducer again using fresh water.

Refer to EM124 Maintenance Manual, Reference 15, for proper transducer handling. Do not pressure wash transducers.

Permanently mark each mounting bracket before removal to ensure they will be reinstalled in the same location and orientation as existing. Remove the transducer modules from the mounting frames.

Unbolt each of the SBP transducer modules from the gondola frame and remove each of the cables running through the cable glands. Save hardware for re-use when reinstalling the transducer modules.

Scrap the old transducer modules and cables.

700.1.2.2 EM-122 Transducer Mounting Frames

After removal of the transducers, temporarily remove the transducer mounting frames. The RX frame weighs approximately 700 kg and the TX frame 1380 kg. Fabricate two each 20’ steel angle braces from 3” x 3”x 1/2” steel angle. Use the angle braces to support the RX/TX frames uniformly while lowering/transporting to prevent any bending. These are bolted to the casing as shown in Reference

7. Permanently mark the mounting frames before removal to ensure they will be reinstalled in the same location and orientation. Retain the mounting frames and mounting brackets and move to an area away from the gondola for blasting and recoating. Blast mounting frames and brackets to SSPC- SP-10.. Do not coat stainless steel mounting frames. Ensure transducer mounting surfaces are clean and flat for proper alignment during installation.

Figure 700.1-3 Transducer Mounting Frame

12 Rev 1

Figure 700.1-4 Transducer Mounting Frame

13 Rev 1

700.1.2.3 Electronics and Computer Lab Removals

Figure 700.1-5 EM122 Removals in Electronics and Computer Lab

Remove the preamplifier unit, transceiver unit, junction boxes, and associated cabling shown in Figure 700.1-5. Under the guidance of an authorized Kongsberg Maritime Representative, identify and retain any cable connections of auxiliary inputs to the EM122 system that may be reused for the EM124 installation. Evaluate existing foundations for possible reuse during EM124 installation described in Section 700.2.2.

Transport removed equipment, mounting brackets and hardware that will not be reused to warehouse and pack in wooden crates for later shipment. Shipping information to be provided by NOAA representative.

INSTALLATIONS

No installations described in this section shall occur before all plating in structure within the gondola has been gauged and repaired as necessary and recoated in accordance with Section 600.1.

700.2.1 SVP-70 Reinstallation

Reinstall the two SVP-70 probes removed in Section 700.1.1. Reinstall all cabling and cover plates.

700.2.2 EM124 Installation

Clean the stainless steel retaining bars that were temporarily removed by water blasting sides and sand blasting the bottom surfaces, to remove rust, paint and marine growth.

Junction Boxes

Preamplifier Unit

Transceiver Unit

14 Rev 1

Re-tap all mounting holes for the array frames and their closure plates in the gondola.

Reinstall the TX and RX mounting frames removed in Section 700.1.2.2 in their respective casings after all coatings have cured. Support all array frames when transporting/raising to prevent bending.

Ensure the mounting frames are reinstalled in the same orientation they were before removal. Provide and install new 316 stainless steel hardware for mounting frames and retaining bars. Each frame shall be adjusted using shims to achieve the required flatness. Apply 242 Loctite on all bolts before final installation.

Note: The installation of the frames shall be done under the supervision of an Alignment Engineer (Section 900.2.3).

Provide temporary staging and use a small scissor lift as required to support transducer modules while they are being installed. Cables attached to transducer modules will have to be partially run while transducer is being installed. Kongsberg representatives shall assist with installation of transducers and routing and termination of cables. Install the new TX and RX transducers in accordance with Reference 13 under the guidance of a Kongsberg technical representative. Run transducer cabling through the rebuilt conduit described in Section 100.2.1.

Have an authorized Kongsberg Maritime technical representative evaluate the Delrin cover plates removed in section 700.1.1 for reuse. If acceptable, reinstall cover plates with new hardware. If deemed necessary, fabrication of new cover plates will be handled via CFR.

Figure 700.2-1 Transducer Installation

15 Rev 1

Apply a thin coat of anti-fouling paint to the transducer faces under the direction of the Kongsberg Maritime technical representative. Utilize the same antifouling paint applied to the gondola exterior in Reference 1.

Under the direction of a Kongsberg Maritime technical representative, apply fairing compound to the gaps between the cover plates and the transducer faces, as well as any other areas identified.

Install the EM124 Transmit and Receive Units in the Electronics and Computer Lab in the locations shown in Figure 700.2-2 in accordance with Reference 13. Note that Reference 13 details mounting brackets for the Contractor to fabricate to accomplish this installation. Table 700.2-1 shows the physical dimension and weight of each unit to be installed.

700.2.3 SBP 29 Installation

Provide and install an SBP-29 array frame to support the transducer modules inside the casing.

Support all array frames when transporting/raising to prevent bending.

Note: The installation of the frames shall be done under the supervision of an Alignment Engineer and Kongsberg Authorized Representative.

Install the transducers into the array frames. Apply 242 Loctite on all bolts before final installation.

Figure 700.2-2 EM124 and SBP29 Arrangement in Electronics and Computer Lab

EM124 Transmitter Unit EM124 Receive Unit SBP29 Transceiver Unit

16 Rev 1

TABLE 700.2-1 EM124 AND SBP29 HARDWARE UNIT DIMENSIONS

Equipment Width Height Depth Weight EM124 Transmit Unit 606mm [23.9in.] 898mm [35.3in.] 612mm [24.1in.] 96kg [211.6 lbs] EM124 Receiver Unit 488mm [19.2in.] 285mm [11.2in.] 420mm [16.5 in.] 21kg [46.2 lbs] SBP29 Transceiver Unit 758mm [30.2in.] 545mm [21.5in.] 867mm [34.2in.] 110kg [242.5 lbs]

Install the rack-mounted EM124 Processing Unit in an existing hardware rack determined by the Owner’s Representative. Install EM124 workstation in a location determined by the Owner’s Representative.

Route all cabling for the EM124 installation as described in Reference 13 under the guidance of a Kongsberg Technical Representative. Circuits for AC power shall be determined by the Owner’s Representative. Power requirements for EM124 hardware are described in Table 700.2-2.

TABLE 700.2-2 EM124 AND SBP29 POWER REQUIREMENTS

Equipment Voltage Frequency Max. Power EM124 Transmit Unit 230VAC 47Hz – 63Hz 1350W EM124 Receiver Unit 230VAC 47Hz – 63Hz 50W EM124 Processing Unit 100VAC -

250VAC

47Hz – 63Hz 125W

SBP29 Transceiver Unit 220VAC –

240VAC /

385VAC –

415VAC

47Hz – 63Hz 400W – 1900W depending on voltage

Note: More detail on power requirements can be found in References 13 and 14.

SBP29 requires 3-phase delta input power at maximum 7.5kW.

700.2.4 SBP29 Installation

After completion of blasting and coating described in Section 600.1, provide and install a mounting frame for a 6-degree SBP29 installation in the casing shown in Figure 600.2-1. Support the frame uniformly while raising/lowering/transporting to prevent any bending. Note that this well was designed for a Kongsberg SBP120 system, which has the same mounting frame bolting arrangement as the SBP29. Provide new 316 stainless steel hardware for this installation.

Install the SBP29 transducer elements and baffle plate onto the mounting frame as described in Reference 14. Provide and utilize 316 stainless steel hardware for installation. Route transducer cabling through the conduit installed in Section 100.2.2.

Fabricate SBP29 cover plates in accordance with Reference drawing 871-219291 (TX cover plate casing, 6 degrees), found within the installation manual. Install cover plates using new 316 stainless steel hardware.

Install the SBP29 Transceiver Unit in the location shown in Figure 700.2-2 in accordance with Reference 14. Physical dimensions and weight for this unit are outlined in Table 700.2-1. Power requirements are outlined in Table 700.2-2. The circuit for electrical power to this unit shall be chosen by the Owner’s Representative during installation.

800 INTEGRATION AND ENGINEERING

Reference 1 provides requirements regarding regulatory body inspections and requirements for certificates and other documentation associated with regulatory body certification processes.

17 Rev 1

Reference 1 provides requirements pertaining to schedule, drawings development and revision, material control, engineering, estimates, purchase technical specifications, technical documentation, signage, paint schedule, test memorandums, instruction books, equipment identification, and spare parts.

DOCUMENTATION

Submit to Owner’s Representative all inspection reports, including the following:

Dry Film Thickness (DFT) readings for applied coatings Gondola thickness gauging, Survey and alignment reports for EM124 and SBP29 installations.

SYSTEM INTEGRATION

Provide necessary support services to Owner to assist in the integration of the SBP-29 Sub-Bottom Profiler capability to the EM-124 Multibeam Echo Sounder.

Provide necessary support services to the Owner to assist in the integration of all newly installed equipment to the vessel’s Mission LAN.

TRAINING

Provide 8 hours of training to the crew by an authorized Kongsberg Maritime representative on the new EM124 and SBP29 systems. Training shall take place while the vessel is underway.

900 TESTING AND COMMISSIONING

The Contractor, along with an authorized Kongsberg Maritime representative, shall prepare, commission, and test the system and all modified or disturbed equipment in accordance with ABS and USCG requirements and Reference 1. The testing shall be witnessed by the Owner, and regulatory bodies where required. The Contractor shall conduct testing in conformance with Contractor-developed test memorandums approved by the Owner and meeting the test program requirements of Reference 1.

STAGE 1 – SHOP INSPECTIONS AND FACTORY ACCEPTANCE TESTS

No Stage 1 tests are required for this work package.

STAGE 2 – CONSTRUCTION INSPECTIONS AND TESTS

900.2.1 Hull and Deck Inserts

Test the hull and deck inserts described in Section 100.1.2 to the satisfaction of the attending ABS surveyor.

900.2.2 Conduit Piping

Perform a hydro or air test of the conduit piping installed in Section 100.1.3 to the satisfaction of the attending ABS Surveyor.

900.2.3 EM124 and SBP29 Surveying and Alignment

Provide the services of an authorized Kongsberg authorized Alignment Engineer to perform the surveying and alignment of the new EM124 and SBP29 systems as described in References 13 and

14. Note that this survey must be performed will the vessel is drydocked.

Shipyard activity around the Alignment Engineer and the survey shall be restricted. Alignment Engineer shall coordinate with the shipyard to determine times, places, and severity of restrictions. Alignment

18 Rev 1

Engineer may have to perform the majority of the work at night if ground vibrations from shipyard equipment are too excessive or if the ambient temperature is too unstable.

The Alignment Engineer shall have experience in shipyards and expertise in autocollimation, auto-reflection, and mutual optical boresighting. Alignment Engineer shall provide and use the following or equivalent calibrated optical alignment and surveying equipment:

Total Station (Sokkia Net2B or equal) with associated laptop computer and 3-D coordinate system Industrial Measurement software WITH GRAPHIC CAPABILITY (spatial analyzer OR

EQUAL)

Precision Theodlites (Wild T-2 and Wild T-2000 5A autocollimating with optical plummet) – a minimum of 2

One second Clinometer Instrument stand and Trivet Precision Scale Reflective targets and 2-Point Probe Target

Suggested Alignment Engineer Source:

IMTEC Group 19004 Jackson Circle Independence, MO 64057 Ph. (816) 795-1782 E-mail: TheImtecGroup@aol.com POC: Mike Holmes

The Alignment Engineer will provide guidance to the NOAA Representatives and Shipyard during the reinstallation of the EM124 and SBP29 transducer arrays so that they can shim the arrays until the specified overall flatness is achieved. Upon completion of shimming, measure the final flatness for each array.

STAGE 3 – OPERATION AND PERFORMANCE TESTS

900.3.1 Cable Continuity Testing

Perform cable continuity testing on the EM124 and SBP29 installations as required by References 13 and 14.

STAGE 4 – DOCK TRIALS

The Contractor shall prepare and submit a Dock Trials (DT) test plan that shall include all inspections and tests necessary to verify proper system operation and conformance to this specification after installation. This test shall address all requirements that can be verified dockside, but do not require the system to be at sea. Plan shall incorporate Kongsberg’s Harbor Acceptance Test documents for EM124 and SBP29 (References 16 and 17, respectively). The DT shall verify proper interconnection and wet operation of the transducers, sensors, and all interfaced equipment. The Contractor shall perform the DT in accordance with the DT plan and fully document the results in a DT report.

STAGE 5 – SEA ACCEPTANCE TEST TRIALS

900.5.1 EM124 and SBP29 Calibration

Provide the services of an authorized Kongsberg Technical Representative to calibrate the EM124 Multibeam Echosounder and SBP29 Sub-Bottom Profiler and perform all acceptance tests required by References 13, 14, 18, and 19.

The Contractor shall prepare and submit to the Owner’s Representative a Sea Acceptance Test (SAT) plan that shall include all inspections and tests necessary to verify proper system operation and

19 Rev 1 conformance to this specification during an at sea trial on the ship. The SAT shall demonstrate the ability of the installed systems to meet all requirements and operational characteristics of the system essential to performance of the mission at sea. The SAT shall include, but be not limited to, calibration, depth accuracy, contour repeatability, beam repeatability, target identification, interference, and bottom tracking tests. The SAT shall duplicate aspects of the DT where appropriate and shall demonstrate all of the hardware and software operations provided. This test shall include any procedures that were revised or added during the execution of the DT

The Contractor shall conduct the SAT in accordance with the SAT plan, and fully document the results in a SAT report. Contractor engineering personnel intimately familiar with all hardware and software design features of the system shall conduct the SAT. The SAT shall be conducted with a fully installed system. The Government will have one or more representatives witness all of the testing outlined in the SAT plan. The SAT report shall include specific comparison of results predicted by error model with results obtained in the field.

000.1.3 Kongsberg Authorized Representative

600.2 Gondola Acoustic Insulation Removal and Baffle Kit Installation